MSP430RegisterInfo.h revision 263508 
1//===-- MSP430RegisterInfo.h - MSP430 Register Information Impl -*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file contains the MSP430 implementation of the MRegisterInfo class.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_TARGET_MSP430REGISTERINFO_H
15#define LLVM_TARGET_MSP430REGISTERINFO_H
16
17#include "llvm/Target/TargetRegisterInfo.h"
18
19#define GET_REGINFO_HEADER
20#include "MSP430GenRegisterInfo.inc"
21
22namespace llvm {
23
24class TargetInstrInfo;
25class MSP430TargetMachine;
26
27struct MSP430RegisterInfo : public MSP430GenRegisterInfo {
28private:
29  MSP430TargetMachine &TM;
30
31  /// StackAlign - Default stack alignment.
32  ///
33  unsigned StackAlign;
34public:
35  MSP430RegisterInfo(MSP430TargetMachine &tm);
36
37  /// Code Generation virtual methods...
38  const uint16_t *getCalleeSavedRegs(const MachineFunction *MF = 0) const;
39
40  BitVector getReservedRegs(const MachineFunction &MF) const;
41  const TargetRegisterClass*
42  getPointerRegClass(const MachineFunction &MF, unsigned Kind = 0) const;
43
44  void eliminateFrameIndex(MachineBasicBlock::iterator II,
45                           int SPAdj, unsigned FIOperandNum,
46                           RegScavenger *RS = NULL) const;
47
48  // Debug information queries.
49  unsigned getFrameRegister(const MachineFunction &MF) const;
50};
51
52} // end namespace llvm
53
54#endif // LLVM_TARGET_MSP430REGISTERINFO_H
55